This thesis developed various methods to quantify and better understand paropsine
(Coleoptera: Chrysomelidae) defoliation within Eucalyptus, with the overarching goal of …

A wide range of insect herbivores infest Eucalyptus trees in New Zealand, particularly
insects native to Australia. The most damaging defoliators are the paropsine beetles …

Background: Eucalypt species are grown in New Zealand for a variety of purposes.
Paropsine leaf beetles (Coleoptera: Chrysomelidae) impact eucalypt plantations in Australia …

A genetic basis for variation in resistance to defoliating insects within Eucalyptus species
has been identified in many studies. This variation has frequently been ascribed to variation …

Paropsine leaf beetles (referred to as paropsines) are the most damaging group of eucalypt
foliar pests in Australian plantations and elsewhere where eucalypts are grown. Six eucalypt …

Paropsine chrysomelid beetles are significant defoliators of Australian eucalypts. In
Queensland, the relatively recent expansion of hardwood plantations has resulted in the …

The loss of live foliage to browsing mammals, insects and foliar pathogens can reduce
plantation productivity. It remains difficult to define damage thresholds that trigger lost …

Plantation eucalypts, like other forestry species, face a range of health issues. The New
Zealand forestry industry has a long history of proactive biosecurity which focuses on …

Paropsisterna cloelia (Stål) is a phytophagous leaf beetle native to Australia and closely
related to the well-established Paropsis charybdis (Stål). The hosts primarily defoliated by P …

In March 2016, an incursion of the paropsine beetle Paropsisterna variicollis (eucalyptus
variegated beetle) was detected in the Hawke's Bay during routine Forest Biosecurity …